{"id":"CVE-2026-2028","state":"PUBLISHED","title":"Maxi Blocks <= 2.1.8 - Missing Authorization to Authenticated (Author+) Media File Deletion via 'old_media_src' Parameter","description":"The MaxiBlocks Builder plugin for WordPress is vulnerable to arbitrary media file deletion due to insufficient file ownership validation on the 'maxi_remove_custom_image_size' AJAX action in all versions up to, and including, 2.1.8. This makes it possible for authenticated attackers, with Author-level access and above, to delete arbitrary files in the wp-content/uploads directory, including files uploaded by other users and administrators.","publishedAt":"2026-04-24T03:27:06.728Z","updatedAt":"2026-04-24T13:59:29.795Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["ckp267 MaxiBlocks Builder | 17,000+ Design Assets, Patterns, Icons & Starter Sites"],"affected":[{"vendor":"ckp267","product":"MaxiBlocks Builder | 17,000+ Design Assets, Patterns, Icons & Starter Sites","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.1.8","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/f50c31df-56d0-4c34-a93c-56198fe91b36?source=cve","https://plugins.trac.wordpress.org/browser/maxi-blocks/trunk/core/class-maxi-image-crop.php#L44","https://plugins.trac.wordpress.org/browser/maxi-blocks/tags/2.1.7/core/class-maxi-image-crop.php#L44","https://github.com/maxi-blocks/maxi-blocks/commit/3dff1db57bfb4e6c14fa7fd42037178d1d0ce199","https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3476709%40maxi-blocks&new=3476709%40maxi-blocks&sfp_email=&sfph_mail=","https://plugins.trac.wordpress.org/changeset/3476709/maxi-blocks/trunk/core/class-maxi-image-crop.php"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/2xxx/CVE-2026-2028.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-2028","state":"PUBLISHED","datePublished":"2026-04-24T03:27:06.728Z","dateUpdated":"2026-04-24T13:59:29.795Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-02-05T21:46:52.497Z"},"containers":{"cna":{"title":"Maxi Blocks <= 2.1.8 - Missing Authorization to Authenticated (Author+) Media File Deletion via 'old_media_src' Parameter","descriptions":[{"lang":"en","value":"The MaxiBlocks Builder plugin for WordPress is vulnerable to arbitrary media file deletion due to insufficient file ownership validation on the 'maxi_remove_custom_image_size' AJAX action in all versions up to, and including, 2.1.8. This makes it possible for authenticated attackers, with Author-level access and above, to delete arbitrary files in the wp-content/uploads directory, including files uploaded by other users and administrators."}],"affected":[{"vendor":"ckp267","product":"MaxiBlocks Builder | 17,000+ Design Assets, Patterns, Icons & Starter Sites","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.1.8","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/f50c31df-56d0-4c34-a93c-56198fe91b36?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/maxi-blocks/trunk/core/class-maxi-image-crop.php#L44"},{"url":"https://plugins.trac.wordpress.org/browser/maxi-blocks/tags/2.1.7/core/class-maxi-image-crop.php#L44"},{"url":"https://github.com/maxi-blocks/maxi-blocks/commit/3dff1db57bfb4e6c14fa7fd42037178d1d0ce199"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3476709%40maxi-blocks&new=3476709%40maxi-blocks&sfp_email=&sfph_mail="},{"url":"https://plugins.trac.wordpress.org/changeset/3476709/maxi-blocks/trunk/core/class-maxi-image-crop.php"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","baseScore":5.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"CWE-639 Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-04-24T03:27:06.728Z"},"credits":[{"lang":"en","type":"finder","value":"Teerachai Somprasong"}],"timeline":[{"time":"2026-04-16T10:47:43.000Z","lang":"en","value":"Vendor Notified"},{"time":"2026-04-23T14:43:34.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-24T13:58:56.361470Z","id":"CVE-2026-2028","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-24T13:59:29.795Z"}}]}}}